APA (7th ed.) Citation

Siudikas, V., Siudikiene, N., & Šimaitiene, Z. Smallpox and its Prevention in Lithuania in XIX–XX Century. Rīga Stradiņš University.

Chicago Style (17th ed.) Citation

Siudikas, Vytautas, Nijole Siudikiene, and Zenona Šimaitiene. Smallpox and Its Prevention in Lithuania in XIX–XX Century. Rīga Stradiņš University.

MLA (9th ed.) Citation

Siudikas, Vytautas, et al. Smallpox and Its Prevention in Lithuania in XIX–XX Century. Rīga Stradiņš University.